I continued to have problems with playback stuttering and other difficulties with Media Center, ranging from slow opening to hanging on entering basic commands. I am running Windows Defender and Windows 10, with all updates current. Files in question play uninterruptedly in Foobar. So, I took the following steps
Before posting this, I have confirmed all of the exceptions from Awesome Donkey's pinned instruction, and just double-checked them yesterday. I've also disabled all antivirus scanning from Defender and checked to ensure that MC is permitted through the firewall. That seems to address the playback issues, but it leaves me naked on the anti-virus/firewall front.
Also, even with Defender off, I still can't access Help>System Info. When I enter the command, the program hangs indefinitely.
Are there further commands or exceptions that I'm missing? Does the problem lie in WD, Windows 10 or possibly elsewhere?
(TIA for suggestions. The forum has been an effective way to access the networked knowledge of an experienced user base.)